llvm/llvm/test/CodeGen/AMDGPU/waitcnt-debug.mir

# REQUIRES: asserts
# RUN: llc -mtriple=amdgcn -verify-machineinstrs -run-pass si-insert-waitcnts -debug-counter=si-insert-waitcnts-forcelgkm=0 -o - %s | FileCheck -check-prefixes=GCN,LGKM %s
# RUN: llc -mtriple=amdgcn -verify-machineinstrs -run-pass si-insert-waitcnts -debug-counter=si-insert-waitcnts-forceexp=0-1 -o - %s | FileCheck -check-prefixes=GCN,EXP %s
# RUN: llc -mtriple=amdgcn -verify-machineinstrs -run-pass si-insert-waitcnts -debug-counter=si-insert-waitcnts-forcevm=0-2 -o - %s | FileCheck -check-prefixes=GCN,VM %s
# RUN: llc -mtriple=amdgcn -verify-machineinstrs -run-pass si-insert-waitcnts -amdgpu-waitcnt-forcezero=1 -debug-counter=si-insert-waitcnts-forcevm=0-1 -o - %s | FileCheck -check-prefixes=GCN,ZERO %s

# check that the waitcnt pass options that force insertion of waitcnt instructions are working as expected

...
# GCN-LABEL: name: waitcnt-debug
# LGKM: S_WAITCNT 127
# LGKM-NEXT: S_NOP 0
# LGKM-NEXT: S_NOP 0

# EXP: S_WAITCNT 3855
# EXP-NEXT: S_NOP 0
# EXP-NEXT: S_WAITCNT 3855
# EXP-NEXT: S_NOP 0

# VM: S_WAITCNT 3952
# VM-NEXT: S_NOP 0
# VM-NEXT: S_WAITCNT 3952
# VM-NEXT: S_NOP 0
# VM-NEXT: S_WAITCNT 3952
# VM-NEXT: S_NOP 0

# ZERO: S_WAITCNT 0
# ZERO-NEXT: S_NOP 0
# ZERO-NEXT: S_WAITCNT 0
# ZERO-NEXT: S_NOP 0
# ZERO-NEXT: S_WAITCNT 0
# ZERO-NEXT: S_NOP 0

name:            waitcnt-debug
liveins:
machineFunctionInfo:
  isEntryFunction: true
body:             |
  bb.0:
    S_NOP 0
    S_NOP 0
    S_NOP 0
    S_NOP 0
...